[other] Good laptop?

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http://ubuntuforums.org – Hello everyone! I have desided to start to look for a new laptop (my curent is emachines e725) but I don't know what is good laptop that works fine with Linux. Few things that I'd like the laptop to be like: 1. It has to have good graphics card not intrgradet and at leas 256mb vid memory. 2. Processor has to be at least dual core over 2.1 GHz. 3. I must be abel to get it from UK. 4. Price has to be under 700 £ 5. It needs to be able to run Linux. Thanks in advance. (Hardware)